Fukami Noboru is a lonely and introverted college student who saves one of his classmates, Hayase Kouhei, from drowning on a lake. Hayase had never paid attention to Noboru before, but after being saved by him he begins to feel confused about his feelings towards the very mysterious Noboru. And if this was not enough, Hayase soon meets Noboru's twin brother, Ryu, who has a very different personality from his brother. (Source: Wikipedia)